Add gitLoc to git.branch (#944)

Add gitLoc to git.branch function call

Author: Yoseph Radding

CHANGELOG.md

@@ -1,6 +1,7 @@
 # Changelog
 
 ## Upcoming
+- Fix a bug where tagging a build will cause the tool to not be able to figure out where the git repo is [#944](https://github.com/apollographql/apollo-tooling/pull/944)
 
 - `apollo-language-server`
   - Added a warning when there are 0 files found in a project [#1007](https://github.com/apollographql/apollo-tooling/pull/1007)

packages/apollo/src/git.ts

@@ -81,7 +81,7 @@ export const gitInfo = async (): Promise<GitContext | undefined> => {
     // See https://github.com/pvdlg/env-ci#caveats for a detailed list of when
     // branch can be undefined
     if (!branch) {
-      branch = git.branch();
+      branch = git.branch([gitLoc]);
     }
   }